EP1333007B1 - Cable passage for fuel dispenser - Google Patents
Cable passage for fuel dispenser Download PDFInfo
- Publication number
- EP1333007B1 EP1333007B1 EP03445018A EP03445018A EP1333007B1 EP 1333007 B1 EP1333007 B1 EP 1333007B1 EP 03445018 A EP03445018 A EP 03445018A EP 03445018 A EP03445018 A EP 03445018A EP 1333007 B1 EP1333007 B1 EP 1333007B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- cables
- sealing member
- metering pump
- space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
- B67D7/3236—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to electrostatic charges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/84—Casings, cabinets or frameworks; Trolleys or like movable supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Definitions
- the invention relates to a fuel metering pump or fuel dispenser and particularly to a device for partitioning a space in a fuel pump or dispenser into a first and second subspace, for the purpose of preventing fuel vapours from spreading between the subspaces.
- the invention further relates to a column extension of a fuel pump or dispenser and to a method for partitioning a space of the above-mentioned type.
- a fuel filling installation for filling the tank of a motor vehicle with liquid fuel typically comprises a fuel metering pump or a fuel dispenser, which by means of conduits is connected to one or more fuel containers in which the fuel is stored.
- a fuel pump or dispenser comprises a pumping unit or a hydraulic module/unit contained in a hydraulic housing or cabinet, which usually is arranged on a base socket on the ground.
- a column extension Arranged beside and in connection with the hydraulic housing is a column extension.
- the fuel pump or dispenser further comprises an electronics head or display unit showing, for example, the choice of fuel type, the amount of fuel supplied to the tank of a car and the price.
- the electronics head is supported by the column extension and is arranged above the hydraulic housing. Cables are pulled through the column between the hydraulic housing and the electronics head.
- the various spaces within a fuel pump or dispenser are classified depending on the presence of fuel vapours.
- the hydraulic module is classified as a hazardous area or zone 1, i.e. an area in which explosive gas atmosphere is present or may be expected to be present in quantities such as to require special precautions for the construction, installation and use.
- the column extension is a zone 1, which means that fuel vapours may be present.
- the electronics head or display unit should constitute a non-hazardous area (un-classified zone). It is therefore important that sufficient ventilation be achieved and that fuel vapours be prevented from spreading from the hydraulic unit into the electronics head.
- a known way of preventing fuel vapours from spreading between the hydraulic unit and the column is to arrange a vapour barrier in the form of one or two plates in the opening between the two spaces (see for example CEN TC 221, prEN 13 617-1).
- the electronics head is in turn separated from the column by a similar arrangement.
- Each plate is provided with cable entry holes, through which the cables running between the hydraulic unit and the electronics head are pulled.
- Each cable is pulled through a respective hole in each plate and is at each wall entrance provided with a grommet or cable bushing.
- air gaps between the plates should be formed so as to avoid vapour traps.
- each cable is pulled through a hole in each plate and an associated grommet is secured on the cable at each wall entrance. This way of procedure is rather time-consuming.
- a further disadvantage of the otherwise well-functioning above-mentioned vapour barrier is that there is a risk of scraping or tearing the cable against the edges of the cable entry holes during installation, causing damage to the isolation or covering of the cable.
- vapour barrier including a grommet for each cable makes the solution according to the above technique rather costly.
- the inventive device By providing the inventive device with a first and second sealing member to be arranged at opposite sides of one or more cables, the step of pulling each cable at a time during installation is avoided.
- One or both of the sealing members may be mounted after all cables have been pulled and connected. This means that the risk of scraping the cables is minimised and the time needed for installation and maintenance may be reduced.
- the close abutment of the sealing members against said cables alleviates the need for mounting a separate seal, such as a grommet, at each cable, resulting in shorter time needed for installation and lower costs.
- the inventive device allows a cable to be provided with, for example, a "bulky” connector, plug, cable socket or lug while being pulled between two areas of the fuel pump or dispenser. This facilitates the work of installation and maintenance and thus reduces both installation and maintenance costs.
- the number of cables that can be pulled through the space is not critical, whereby mainly one design of the device can be used irrespectively of the number of cables to be pulled. It is furthermore simple to add or remove one or more cables without needing any extra equipment such as additional grommets or blind plugs.
- One embodiment of the inventive device is characterized in that at least one of the sealing members comprises a resilient part for abutment against the cables.
- This embodiment has the advantage that the resilient part spares the cables and that it is possible to slightly adjust the cables, in comparison with the prior art technique in which each cable is fixed by an associated cable bushing.
- each sealing member may be provided with a holding means.
- a column extension comprising at least one device for partitioning of a space as stated above, results in a column extension through which cables may be pulled from the hydraulic housing to the electronics head and in which the fuel vapours are prevented from spreading along the cables.
- a column extension which comprises an elongated portion which is U-shaped in cross-section is provided.
- a channel in which the cables may be pulled is formed, whereby the need for pulling the cables through the interior of the column extension (zone 1) is eliminated.
- the inventive fuel metering pump or fuel dispenser presents advantages corresponding to the ones described above.
- the inventive method for partitioning a space in a fuel metering pump or fuel dispenser into a first and second subspace results in a convenient and inexpensive method for installing and maintaining a device for preventing fuel vapours from spreading.
- Figs 1-3 relate to prior art.
- a fuel metering pump or dispenser 1 is shown.
- the fuel pump or dispenser 1 has a hydraulic casing or cabinet 2 and a column extension 3.
- the casing 2 and the column 3 are arranged on a base socket 4 on the ground.
- the fuel pump/dispenser 1 further comprises an electronics head or display unit 5 supported by the column extension 3.
- Fig. 2 shows the fuel pump/dispenser 1 according to Fig. 1 in section. Between a hydraulic module or pumping unit 6 and an electronic module 7, cables 8 are pulled through the column extension 3.
- a plate 9 can also be arranged in the interface between the hydraulic housing 2 and the column 3 and between the column 3 and the electronics head 5.
- the plate 9 is provided with several holes 9a through each of which a cable 8 is pulled.
- the cable 8 is provided with a grommet or cable bushing 10.
- Fig. 4 is a perspective side view of a first embodiment of the inventive device 11 for partitioning a space of a fuel pump or dispenser 1 (see Fig. 11 ).
- the device 11 comprises a first 11a and a second 11b sealing member made of a material which is adapted for close abutment against the cables 8, which are pulled through the device 11, and which prevents fuel vapours from spreading from one side of the device 11 to the opposite side in the longitudinal direction of the cables 8.
- Fig. 5 shows a cross-section of the device 11 taken in a plane (V-V) transversely to the main direction of the cables 8.
- a second embodiment of the device for partitioning according to the invention comprises a third sealing member 11c, which is arranged in a plane P common with and between the first and second sealing members 11a, 11b.
- This embodiment is suitable if the number of cables is large since the cables 8 can be distributed between the first and third sealing members 11a, 11c and between the second and third sealing members 11b, 11c.
- This embodiment is also suitable when the cables 8 are of a large dimension since the distance between two adjacent cables then has to be larger to establish a satisfying seal between the cables.
- the choice of material for the sealing members 11a-c is not critical as long as the material meets the requirements set, i.e. to provide close abutment against the cables and to prevent fuel vapours from spreading through them.
- material of the sealing member mention can be made of a resilient material of the type expanded rubber, such as foam rubber of various kinds. Cotton-waste may be mentioned as a non-limiting example of a non-resilient material that can be used. The choice of material might be affected by other factors such as prices and availability.
- two adjacent sealing members may be of different materials. For example, it would be possible to have one sealing member formed by a metal plate and one member formed by a resilient material, such as foam rubber.
- Fig. 8 shows part of an embodiment of the invention, wherein the sealing member 11a is attached to a holding or mounting means 12.
- the holding means 12 allows releasable mounting of the sealing member 11a on a wall of the space to be partitioned.
- Fig. 9 shows an alternative holding means 13.
- the latter holding means 13 is suited for partitioning spaces with large cross-sectional areas.
- the holding means may be formed of, for example, a metal plate.
- Fig. 10 shows a device 11 comprising two holding means 12, 14 which can be pressed together with the aid of tightening means 15 such as screws. At least one of the shown holding means 12, 14 may have another design, e.g. the design of the holding means 13 shown in Fig. 9 .
- the middle member may consist of a holder of the type 13 in Fig. 9 , on both sides of which a resilient member is mounted for abutment or bearing against the cables 8.
- cables may be arranged in two groups separated from each other by using a broad holding means 13 in the middle.
- the fuel metering pump or dispenser 1 in Fig. 11 is provided with two inventive sealing devices 11.
- the uppermost sealing device 11 partitions a space S into two subspaces S1, S2.
- the cables 8 are pulled from the hydraulic module 6 to the electronic module 7 through the devices 11.
- the number of devices 11 and the places for their arrangement can be chosen depending on the configuration of the pump/dispenser.
- the members 11a, 11b or holding means 12, 13, 14 of the device 11 are attached to opposite walls W1, W2 of the space S.
- Fig. 12 a portion 3' of the column extension 3 according to the second aspect of the invention.
- the elongated portion 3' has a U-shaped transversal cross-section.
- the portion 3' encloses a channel 16 in which the cables 8 are pulled through one or more sealing devices 11 accommodated in the channel 16.
- the device 11 shown in Fig. 12 partitions the space S into two subspaces S1, S2.
- a cross-sectional view of the portion 3' in Fig. 12 taken along the plane XIII-XIII is shown in Fig. 13 .
- the device 11 in Fig. 13 comprises three resilient sealing members 11a-c which are pressed together by a U-shaped cover 18 which is mounted on the column extension 3 to seal the channel 16.
- a first sealing member 11a When mounting the inventive device for partitioning a space S, a first sealing member 11a is attached to a first wall W1 (see Fig. 13 ) of the space S.
- the member 11a may be attached to the wall W1 by means of, for example, glue of any type.
- one or more cables 8 are arranged so that they are distributed along the member 11a and each abut against the same.
- a second sealing member 11b is attached by means of glue to the first sealing member 11a or is just hand-held against the cables 8. If the cross-sectional area of the space S to be partitioned is small, the second member 11b might have to be squeezed into the remaining gap between the cables 8 and a second wall W2 opposite to the first wall W1.
- the sealing members 11a-c are arranged to abut or bear against the cables 8 by mounting the holders 12; 13, 14 on the walls W1, W2.
- the sealing members 11a-c could be provided with a self-adhesive film or layer for quick and easy mounting.
- a space to be partitioned is meant either a space with only one compartment, such as a column extension, or a space consisting of two communicating compartments, such as a column extension and an electronics head of the fuel metering pump or dispenser.
- each folded layer of the member is arranged between two rows of cables. It would also be possible to use a ring-shaped member which is configured to encompass each row of cables. Furthermore, it would be possible to use a flexible bag containing a fluid as sealing member.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Fuel-Injection Apparatus (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
- The invention relates to a fuel metering pump or fuel dispenser and particularly to a device for partitioning a space in a fuel pump or dispenser into a first and second subspace, for the purpose of preventing fuel vapours from spreading between the subspaces. The invention further relates to a column extension of a fuel pump or dispenser and to a method for partitioning a space of the above-mentioned type.
- A fuel filling installation for filling the tank of a motor vehicle with liquid fuel typically comprises a fuel metering pump or a fuel dispenser, which by means of conduits is connected to one or more fuel containers in which the fuel is stored. A fuel pump or dispenser comprises a pumping unit or a hydraulic module/unit contained in a hydraulic housing or cabinet, which usually is arranged on a base socket on the ground. Arranged beside and in connection with the hydraulic housing is a column extension. The fuel pump or dispenser further comprises an electronics head or display unit showing, for example, the choice of fuel type, the amount of fuel supplied to the tank of a car and the price. Typically, the electronics head is supported by the column extension and is arranged above the hydraulic housing. Cables are pulled through the column between the hydraulic housing and the electronics head.
- In order to minimise the risk of explosion at fuel filling installations, there are certain requirements of the authorities for such installations. The various spaces within a fuel pump or dispenser are classified depending on the presence of fuel vapours. The hydraulic module is classified as a hazardous area or
zone 1, i.e. an area in which explosive gas atmosphere is present or may be expected to be present in quantities such as to require special precautions for the construction, installation and use. The column extension is azone 1, which means that fuel vapours may be present. The electronics head or display unit should constitute a non-hazardous area (un-classified zone). It is therefore important that sufficient ventilation be achieved and that fuel vapours be prevented from spreading from the hydraulic unit into the electronics head. - A known way of preventing fuel vapours from spreading between the hydraulic unit and the column is to arrange a vapour barrier in the form of one or two plates in the opening between the two spaces (see for example CEN TC 221,
prEN 13 617-1). The electronics head is in turn separated from the column by a similar arrangement. Each plate is provided with cable entry holes, through which the cables running between the hydraulic unit and the electronics head are pulled. Each cable is pulled through a respective hole in each plate and is at each wall entrance provided with a grommet or cable bushing. In the use of double plates in a vapour barrier, air gaps between the plates should be formed so as to avoid vapour traps. - During installation of a fuel pump or fuel dispenser, each cable is pulled through a hole in each plate and an associated grommet is secured on the cable at each wall entrance. This way of procedure is rather time-consuming. A further disadvantage of the otherwise well-functioning above-mentioned vapour barrier is that there is a risk of scraping or tearing the cable against the edges of the cable entry holes during installation, causing damage to the isolation or covering of the cable.
- Another disadvantage of the above-mentioned plates with cable entry holes is that each time, during installation, a cable is to be pulled through the plate, a connector, plug, cable lug or socket etc, if any, has to be withdrawn and reattached.
- The same problems arise during maintenance of the fuel pump or dispenser.
- Furthermore, a vapour barrier including a grommet for each cable makes the solution according to the above technique rather costly.
- Further background art is also reflected by
US-5,911,248 . - It is therefore an object of the present invention to provide, with respect to prior-art technique, an improved device for partitioning a space in a fuel metering pump or fuel dispenser, through which space cables are adapted to be pulled or drawn, and to provide a column extension of a fuel metering pump or dispenser and a fuel metering pump or dispenser comprising at least one such device. It is also an object to provide a method for partitioning a space of the above-mentioned type.
- This and other objects are achieved wholly or partially by a device or method comprising the features of any one of the independent claims. Preferred embodiments are set forth in the dependent claims and in the following description.
- By providing the inventive device with a first and second sealing member to be arranged at opposite sides of one or more cables, the step of pulling each cable at a time during installation is avoided. One or both of the sealing members may be mounted after all cables have been pulled and connected. This means that the risk of scraping the cables is minimised and the time needed for installation and maintenance may be reduced. The close abutment of the sealing members against said cables alleviates the need for mounting a separate seal, such as a grommet, at each cable, resulting in shorter time needed for installation and lower costs.
- Furthermore, the inventive device allows a cable to be provided with, for example, a "bulky" connector, plug, cable socket or lug while being pulled between two areas of the fuel pump or dispenser. This facilitates the work of installation and maintenance and thus reduces both installation and maintenance costs.
- With the device according to the invention, the number of cables that can be pulled through the space is not critical, whereby mainly one design of the device can be used irrespectively of the number of cables to be pulled. It is furthermore simple to add or remove one or more cables without needing any extra equipment such as additional grommets or blind plugs.
- One embodiment of the inventive device is characterized in that at least one of the sealing members comprises a resilient part for abutment against the cables. This embodiment has the advantage that the resilient part spares the cables and that it is possible to slightly adjust the cables, in comparison with the prior art technique in which each cable is fixed by an associated cable bushing.
- A still further embodiment of the invention is characterised in that each sealing member may be provided with a holding means. This makes it possible to obtain a more stable arrangement of the device for partitioning and especially the holding means may be enlarged, for example, for the purpose of partitioning a space which has a large cross-sectional area.
- By adding a third sealing member, a device allowing more cables to be pulled through the device is provided.
- A column extension comprising at least one device for partitioning of a space as stated above, results in a column extension through which cables may be pulled from the hydraulic housing to the electronics head and in which the fuel vapours are prevented from spreading along the cables.
- According to a second aspect of the invention, a column extension which comprises an elongated portion which is U-shaped in cross-section is provided. By means of the U-shaped portion, a channel in which the cables may be pulled is formed, whereby the need for pulling the cables through the interior of the column extension (zone 1) is eliminated.
- The inventive fuel metering pump or fuel dispenser presents advantages corresponding to the ones described above.
- The inventive method for partitioning a space in a fuel metering pump or fuel dispenser into a first and second subspace results in a convenient and inexpensive method for installing and maintaining a device for preventing fuel vapours from spreading.
- The invention will now be described in more detail with reference to the accompanying schematic drawings, which show examples of presently preferred embodiments of the invention.
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Fig. 1 is a schematic side view of a prior-art fuel metering pump or fuel dispenser. -
Fig. 2 shows schematically the pump or dispenser ofFig. 1 in section. -
Fig. 3 shows schematically a vapour barrier according to prior art. -
Figs 4 and 5 show a device for partitioning a space according to a first embodiment of the invention. -
Figs 6 and 7 show a device according to a second embodiment of the invention. -
Figs 8 and 9 each show part of the device according to still another embodiment of the invention. -
Fig. 10 shows schematically an assembled device for partitioning according to the embodiment inFig. 8 . -
Fig. 11 shows schematically and in section a fuel metering pump or dispenser with a column extension according to one embodiment of the inventive column extension. -
Fig. 12 is a perspective view of a portion of a column extension according to the second aspect of the invention. -
Fig. 13 is a cross-sectional view (XIII-XIII) of the portion inFig. 12 . -
Figs 1-3 relate to prior art. InFig. 1 , a fuel metering pump ordispenser 1 is shown. The fuel pump ordispenser 1 has a hydraulic casing orcabinet 2 and acolumn extension 3. Thecasing 2 and thecolumn 3 are arranged on abase socket 4 on the ground. The fuel pump/dispenser 1 further comprises an electronics head ordisplay unit 5 supported by thecolumn extension 3.Fig. 2 shows the fuel pump/dispenser 1 according toFig. 1 in section. Between a hydraulic module orpumping unit 6 and anelectronic module 7,cables 8 are pulled through thecolumn extension 3. - In
Fig. 3 there is shown aplate 9 to be used as a vapour barrier by partitioning, for example, thecolumn 3 into subspaces. Aplate 9 can also be arranged in the interface between thehydraulic housing 2 and thecolumn 3 and between thecolumn 3 and theelectronics head 5. Theplate 9 is provided withseveral holes 9a through each of which acable 8 is pulled. At thecable entry hole 9a, thecable 8 is provided with a grommet orcable bushing 10. -
Fig. 4 is a perspective side view of a first embodiment of theinventive device 11 for partitioning a space of a fuel pump or dispenser 1 (seeFig. 11 ). Thedevice 11 comprises a first 11a and a second 11b sealing member made of a material which is adapted for close abutment against thecables 8, which are pulled through thedevice 11, and which prevents fuel vapours from spreading from one side of thedevice 11 to the opposite side in the longitudinal direction of thecables 8.Fig. 5 shows a cross-section of thedevice 11 taken in a plane (V-V) transversely to the main direction of thecables 8. - In
Figs 6 and 7 , a second embodiment of the device for partitioning according to the invention is shown.
This embodiment comprises athird sealing member 11c, which is arranged in a plane P common with and between the first andsecond sealing members cables 8 can be distributed between the first andthird sealing members third sealing members cables 8 are of a large dimension since the distance between two adjacent cables then has to be larger to establish a satisfying seal between the cables. - The choice of material for the sealing
members 11a-c is not critical as long as the material meets the requirements set, i.e. to provide close abutment against the cables and to prevent fuel vapours from spreading through them. As a non-limiting example of material of the sealing member, mention can be made of a resilient material of the type expanded rubber, such as foam rubber of various kinds. Cotton-waste may be mentioned as a non-limiting example of a non-resilient material that can be used. The choice of material might be affected by other factors such as prices and availability. Furthermore, two adjacent sealing members may be of different materials. For example, it would be possible to have one sealing member formed by a metal plate and one member formed by a resilient material, such as foam rubber. -
Fig. 8 shows part of an embodiment of the invention, wherein the sealingmember 11a is attached to a holding or mountingmeans 12. The holding means 12 allows releasable mounting of the sealingmember 11a on a wall of the space to be partitioned.Fig. 9 shows an alternative holding means 13. The latter holding means 13 is suited for partitioning spaces with large cross-sectional areas. The holding means may be formed of, for example, a metal plate.Fig. 10 shows adevice 11 comprising two holding means 12, 14 which can be pressed together with the aid of tightening means 15 such as screws. At least one of the shown holding means 12, 14 may have another design, e.g. the design of the holding means 13 shown inFig. 9 . In a device with three sealingmembers 11a-c, the middle member may consist of a holder of thetype 13 inFig. 9 , on both sides of which a resilient member is mounted for abutment or bearing against thecables 8. By this arrangement cables may be arranged in two groups separated from each other by using a broad holding means 13 in the middle. - The fuel metering pump or
dispenser 1 inFig. 11 is provided with twoinventive sealing devices 11. Theuppermost sealing device 11 partitions a space S into two subspaces S1, S2. Thecables 8 are pulled from thehydraulic module 6 to theelectronic module 7 through thedevices 11. The number ofdevices 11 and the places for their arrangement can be chosen depending on the configuration of the pump/dispenser. Themembers device 11 are attached to opposite walls W1, W2 of the space S. - In
Fig. 12 is shown a portion 3' of thecolumn extension 3 according to the second aspect of the invention. The elongated portion 3' has a U-shaped transversal cross-section. By means of this design the portion 3' encloses achannel 16 in which thecables 8 are pulled through one ormore sealing devices 11 accommodated in thechannel 16. Thedevice 11 shown inFig. 12 partitions the space S into two subspaces S1, S2. A cross-sectional view of the portion 3' inFig. 12 taken along the plane XIII-XIII is shown inFig. 13 . Thedevice 11 inFig. 13 comprises threeresilient sealing members 11a-c which are pressed together by aU-shaped cover 18 which is mounted on thecolumn extension 3 to seal thechannel 16. - When mounting the inventive device for partitioning a space S, a
first sealing member 11a is attached to a first wall W1 (seeFig. 13 ) of the space S. Themember 11a may be attached to the wall W1 by means of, for example, glue of any type. Thereafter one ormore cables 8 are arranged so that they are distributed along themember 11a and each abut against the same. Asecond sealing member 11b is attached by means of glue to thefirst sealing member 11a or is just hand-held against thecables 8. If the cross-sectional area of the space S to be partitioned is small, thesecond member 11b might have to be squeezed into the remaining gap between thecables 8 and a second wall W2 opposite to the first wall W1. In many cases, it is possible to mount the second wall W2 after thedevice 11 has been mounted. In the case ofdevices 11 with three ormore sealing members 11a-c, the procedure of arranging thecables 8 and attaching the second sealing member is repeated a corresponding number of times. - For devices comprising holding means 12; 13, 14, the the
sealing members 11a-c are arranged to abut or bear against thecables 8 by mounting theholders 12; 13, 14 on the walls W1, W2. - The sealing
members 11a-c could be provided with a self-adhesive film or layer for quick and easy mounting. - It will be appreciated that by a space to be partitioned is meant either a space with only one compartment, such as a column extension, or a space consisting of two communicating compartments, such as a column extension and an electronics head of the fuel metering pump or dispenser.
- A person skilled in the art appreciates that there are many possibilities of varying the described embodiments within the scope of the claims.
- For example, it would be possible to use - instead of two or more sealing members - one foldable member, so that each folded layer of the member is arranged between two rows of cables. It would also be possible to use a ring-shaped member which is configured to encompass each row of cables. Furthermore, it would be possible to use a flexible bag containing a fluid as sealing member.
Claims (9)
- A fuel metering pump or fuel dispenser comprising a fuel vapour sealing device (11) for partitioning a space (S) in the fuel metering pump or fuel dispenser (1) into a first and second subspace (S1, S2) for the purpose of preventing fuel vapours from spreading between the subspaces (S1, S2), through which fuel vapour sealing device (11) one or more cables (8) extending in the space (S) are pulled,
characterised by a first and a second sealing member (11a, 11b) between which said one or more cables (8) are pulled, said sealing members (11a, 11b) being arranged opposite each other on either side of said one or more cables (8) for close abutment against said one or more cables (8). - A fuel metering pump or fuel dispenser according to claim 1, wherein at least one of the fuel vapour sealing members comprises a resilient part (11a, 11b) adapted to abut against said one or more cables.
- A fuel metering pump or fuel dispenser according to claim 2, wherein at least one of the fuel vapour sealing members further comprises a holding means (12; 13) which is configured to support the resilient part (11a; 11b) of the fuel vapour sealing member.
- A fuel metering pump or fuel dispenser according to any one of the preceding claims, further comprising a third fuel vapour sealing member (11c) configured to be arranged in a plane (P) common with and between the first and second fuel vapour sealing members (11a, 11b).
- A fuel metering pump or fuel dispenser according to any one of claims 1-4, further comprising a column extension (3) for supporting an electronics unit (5) of a fuel metering pump or fuel dispenser (1),
characterised in that the column extension (3) comprises the fuel vapour sealing device (11). - A fuel metering pump or fuel dispenser according to claim 5, wherein the column extension (3) further comprises an elongated portion (3') having a U-shaped transversal cross-section, by means of which the portion (3') encloses a channel (16) configured to accommodate one or more cables (8) and said at least one fuel vapour sealing device (11) for partitioning the channel (16), and a cover (18) to be mounted so as to seal a longitudinal opening (17) of the channel (16).
- A method for partitioning a space (S) in a fuel metering pump or fuel dispenser (1) into a first and second subspace (S1, S2) for the purpose of preventing fuel vapours from spreading between the two subspaces (S1, S2), in which space (S) one or more cables (8) are extended,
characterised by the steps of:mounting a first fuel vapour sealing member (11a) on a first wall (W1) of the space (S);arranging said one or more cables (8) transversely to the first fuel vapour sealing member (11a) for close abutment against the same; andmounting a second fuel vapour sealing member (11b) between said one or more cables (8) and a second wall (W2) opposite the first wall (W1) for close abutment against said one or more cables (8). - A method according to claim 7, wherein the step of mounting a first fuel vapour sealing member (11a) on a first wall (W1) of the space (S) further comprises the initial step of mounting said first fuel vapour sealing member (11a) on a first holding means (12; 13) which is subsequently mounted on said first wall (W1).
- A method according to claim 7 or 8, wherein the step of mounting a second fuel vapour sealing member (11b) between said one or more cables (8) and the second wall (W2) further comprises the step of mounting said second fuel vapour sealing member (11b) on a second holding means (12; 13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0200320 | 2002-02-01 | ||
SE0200320A SE524507C2 (en) | 2002-02-01 | 2002-02-01 | Device for dividing a space into a fuel metering pump, pillar extension for supporting an electronic unit of a fuel metering pump, fuel metering pump and method for dividing a space into a fuel metering pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1333007A1 EP1333007A1 (en) | 2003-08-06 |
EP1333007B1 true EP1333007B1 (en) | 2010-09-01 |
Family
ID=20286860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03445018A Expired - Lifetime EP1333007B1 (en) | 2002-02-01 | 2003-01-31 | Cable passage for fuel dispenser |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1333007B1 (en) |
DE (1) | DE60333965D1 (en) |
SE (1) | SE524507C2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1932802B1 (en) * | 2006-12-11 | 2013-07-03 | Dresser Wayne AB | Fuel dispenser housing with cable passage |
US20090045925A1 (en) * | 2007-08-17 | 2009-02-19 | Franklin Fueling Systems, Inc. | System, Apparatus, and Method for Communicating Sensor Information of a System Component that is Disposed in a Hazardous Location |
CN102712456B (en) * | 2009-10-16 | 2015-01-28 | 韦恩加油系统瑞典公司 | Electronics module for a fuel dispensing unit |
EP2532062A2 (en) | 2010-02-03 | 2012-12-12 | Dresser Wayne AB | Cable sealing device |
FR2958925B1 (en) | 2010-04-19 | 2012-05-25 | Tokheim Holding Bv | FUEL DISPENSER EQUIPPED WITH A DEVICE FORMING AN EXPLOSION PROTECTION BARRIER AND METHOD OF ASSEMBLING SUCH A FUEL DISPENSER |
WO2012022379A1 (en) * | 2010-08-18 | 2012-02-23 | Dresser Wayne Ab | New sealing device |
FR3036158B1 (en) * | 2015-05-15 | 2018-01-05 | Cryostar Sas | CRYOGENIC LIQUID DISTRIBUTION STATION |
SE544909C2 (en) | 2019-12-20 | 2022-12-27 | Dover Fueling Solutions Uk Ltd | A fuel dispenser for refueling vehicles comprising a reduced number of electric cables |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3624407A1 (en) * | 1986-07-18 | 1988-02-11 | Marko Cepljak | Device for fire retardation for electrical cables |
US4986445A (en) * | 1989-12-04 | 1991-01-22 | Gilbarco Inc. | Gasoline dispenser with valve control through an air gap |
GB2260452B (en) * | 1990-10-10 | 1993-07-21 | Cable Management Systems Ltd | Access closure allowing passage of elongate members |
DE4310117A1 (en) * | 1993-03-27 | 1994-09-29 | Heidelberger Druckmasch Ag | Device for the passage of cables |
DE9414666U1 (en) * | 1994-03-16 | 1995-08-24 | Murrplastik Systemtechnik GmbH, 71570 Oppenweiler | Cable entry system |
US5911248A (en) * | 1997-08-11 | 1999-06-15 | Dresser Industries, Inc. | Gasoline dispenser and cable assembly for preventing vapor flow |
-
2002
- 2002-02-01 SE SE0200320A patent/SE524507C2/en not_active IP Right Cessation
-
2003
- 2003-01-31 DE DE60333965T patent/DE60333965D1/en not_active Expired - Lifetime
- 2003-01-31 EP EP03445018A patent/EP1333007B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE0200320D0 (en) | 2002-02-01 |
SE524507C2 (en) | 2004-08-17 |
EP1333007A1 (en) | 2003-08-06 |
DE60333965D1 (en) | 2010-10-14 |
SE0200320L (en) | 2003-08-02 |
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